12493866544 has 20 divisors (see below), whose sum is σ = 24355379896. Its totient is φ = 6208607232.

The previous prime is 12493866533. The next prime is 12493866563. The reversal of 12493866544 is 44566839421.

It is a junction number, because it is equal to n+sod(n) for n = 12493866491 and 12493866500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392689 + ... + 2397904.

Almost surely, 2^12493866544 is an apocalyptic number.

It is an amenable number.

12493866544 is a deficient number, since it is larger than the sum of its proper divisors (11861513352).

12493866544 is a wasteful number, since it uses less digits than its factorization.

12493866544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790764 (or 4790758 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The spelling of 12493866544 in words is "twelve billion, four hundred ninety-three million, eight hundred sixty-six thousand, five hundred forty-four".